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Old 07-22-2014, 11:41 PM
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Attention 209/X9 Owners Prop Updated

I hit a log a few weekends ago and my 3 blade OJ XMP 342 13x11 0.09 Cup started vibrating more than I could stand. I have been running this prop a few years now and Eric is the man when it comes to customer service. Original thread here.

However, I need a prop quick for an upcoming trip and thought I would try something different. I contacted Nettles Prop and ordered an Acme 3 blade 1221 13x10.5 0.08 Cup. Holy crap what a difference. It rips out of the hole, and I am seeing my fastest top speed ever. Plus the wake lost its bump and the table is less turbulent (but still no where close to butter).

I've logged about 10 hours so far and it has been great. A few specs:

05 Prostar 209 with 1:1 MCX and tower
WOT 5200 RPMs at 44mph
34 MPH at 4000 RPMs and pulling like a freight train
Have yet to bump the rev limiter at WOT under any condition (despite what Acme told me)
Surprisingly it seems I am using less gas (really unscientific guess on my part, but we do close to the same thing every time out and I fill up every day. And so far it takes less fuel to fill up)

I will try to get some pics up, but so far the Acme 1221 is the best prop I've had on the boat so far.
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Old 07-23-2014, 07:54 AM
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Burbon66 Burbon66 is offline
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Interesting about the loss of bump in the wake, yes very interested in a video showing the wake layout.
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Old 07-23-2014, 08:00 AM
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CruisinGA CruisinGA is online now
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Is that 44 MPH GPS'd?
I have the Acme 475 13 x 12.625 .080 cup 3 blade.
With the 330 LTR my top speed is 47 with empty boat, and the holeshot also improved.
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Last edited by CruisinGA; 07-23-2014 at 09:10 AM.
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Old 07-23-2014, 09:08 AM
Theomedic Theomedic is offline
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I'm interested if you are getting a better holeshot, higher top end and improved fuel consumption. Then as an added bonus the wake is even better? How much is this easy upgrade? I have the stock 4 blade on my 209 and don't have a back up prop which everyone should have. Any idea why the AMCE prop is better than the OJ or is it just the pitch?
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Old 07-23-2014, 09:29 AM
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Quote:
Originally Posted by Theomedic View Post
I'm interested if you are getting a better holeshot, higher top end and improved fuel consumption. Then as an added bonus the wake is even better? How much is this easy upgrade? I have the stock 4 blade on my 209 and don't have a back up prop which everyone should have. Any idea why the AMCE prop is better than the OJ or is it just the pitch?
Any of the props listed above would be an upgrade to the factory 4 blade.
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Old 07-23-2014, 09:33 AM
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Quote:
Originally Posted by CruisinGA View Post
Is that 44 MPH GPS'd?
I have the Acme 475 13 x 12.625 .080 cup 3 blade.
With the 330 LTR my top speed is 47 with empty boat, and the holeshot also improved.
That's one of the props the guys a Acme recommended. I wanted the lower pitch so I would get more holeshot but never expected to get more top end as well. Acme said the 10.5 pitch would be way too low, but IMHO it has outperformed in all categories compared to anything else I've had on the boat. Yep it was GPS.
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Old 07-23-2014, 10:57 AM
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Here's 44mph
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Old 07-23-2014, 10:58 AM
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Here's 34mph
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Old 07-23-2014, 11:04 AM
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I'm running the same prop on the same setup, and I can attest to the beastly holeshot. When I first read this I couldn't believe you got more speed out of this than your higher pitch prop, then realized it was an OJ. That explains it, Acmes seem to get more out of the hole and top end whereas (I've only heard) OJs pull smoother in between. The other prop I run is an Acme 843 13x12 3 blade - this will add a few mph top end (and seems to do better on gas) and will still get my fat butt out of the water on a double binding slalom- but I prefer the power of the 13x10.5, especially when you're adding ballast. Your stats match mine exactly.
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Old 07-23-2014, 01:37 PM
Theomedic Theomedic is offline
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Any changes positive or negative for surfing with the new prop? I'm hoping to get into surfing this year or next. Too many projects...
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